usr/src/uts/sun4u/daktari/sys/daktari.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _DAKTARI_H
  28 #define _DAKTARI_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * daktari.h - Daktari common header file
  38  *
  39  * This header file contains the common definitions and macros for the
  40  * Daktari platform. We define them all here to avoid them being redefined
  41  * in numerous different drivers and daemons.
  42  */
  43
  44
  45 #define DAK_SBD_SLOTS           4
  46 #define DAK_CPUS_PER_BOARD      2
  47 #define DAK_MAX_CPUS            (DAK_SBD_SLOTS * DAK_CPUS_PER_BOARD)
  48 #define DAK_BANKS_PER_MC        4
  49 #define DAK_MAX_SLICE           (DAK_MAX_CPUS * DAK_BANKS_PER_MC)
  50
  51 /*
  52  * Daktari CPU numbering is...unusual:
  53  *   Slot SlotID  Agent ID
  54  *   ---- ------  --------
  55  *    0     0  <==>  0
  56  *    0     1  <==>  2
  57  *    1     0  <==>  1
  58  *    1     1  <==>  3
  59  *    2     0  <==>  4
  60  *    2     1  <==>  6
  61  *    3     0  <==>  5
  62  *    3     1  <==>  7
  63  */
  64 #define DAK_GETSLOT(AID)                (((AID&4)>>1)|(AID&1))
  65 #define DAK_GETSLOT_LABEL(AID)          ('A' + DAK_GETSLOT(AID))
  66 #define DAK_GETSID(AID)                 ((AID&2)>>1)
  67 #define DAK_GETAID(SLOT, RELCPU)        (((SLOT&2)<<1)|(SLOT&1)|((RELCPU)<<1))
  68
  69 #define DAK_GET_SBD_APID(BUF, SZ, SLOT) (void) snprintf((BUF), (SZ), "SB%c", \
  70                                                 'a'+(SLOT))
  71 #define DAK_SBD_APID_SZ                 4
  72
  73 #define DAK_GET_PCI_APID(BUF, SZ, SLOT) (void) snprintf((BUF), \
  74                                                 (SZ), "PCI%d", \
  75                                                 (SLOT))
  76
  77 /*
  78  * These values are taken from Appendices R and U of the UltraSPARC-III
  79  * JPS1 Implementation Supplement.
  80  */
  81 #define MC_VALID_SHIFT          63
  82 #define MC_UK_SHIFT             41
  83 #define MC_UM_SHIFT             20
  84 #define MC_LK_SHIFT             14
  85 #define MC_LM_SHIFT             8
  86 #define PHYS2UM_SHIFT           26
  87 #define MC_UK(memdec)           (((memdec) >> MC_UK_SHIFT) & 0xfffu)
  88 #define MC_LK(memdec)           (((memdec) >> MC_LK_SHIFT)& 0x3fu)
  89 #define MC_INTLV(memdec)        ((~(MC_LK(memdec)) & 0xfu) + 1)
  90 #define MC_UK2SPAN(memdec)      ((MC_UK(memdec) + 1) << PHYS2UM_SHIFT)
  91 #define MC_SPANMB(memdec)       (MC_UK2SPAN(memdec) >> 20)
  92 #define MC_UM(memdec)           (((memdec) >> MC_UM_SHIFT) & 0x1fffffu)
  93 #define MC_LM(memdec)           (((memdec) >> MC_LM_SHIFT) & 0x3f)
  94 #define MC_BASE(memdec)         (MC_UM(memdec) & ~(MC_UK(memdec)))
  95 #define MC_BASE2UM(base)        (((base) & 0x1fffffu) << MC_UM_SHIFT)
  96 #define SAF_MASK                0x000007ffff800000ull
  97 #define MC_OFFSET_MASK          0xffu
  98
  99 /*
 100  * Daktari slices are defined by bits 36..39 of the physical address space
 101  */
 102
 103 #define PA_SLICE_SHIFT          (36)
 104 #define PFN_SLICE_SHIFT         (PA_SLICE_SHIFT - MMU_PAGESHIFT)
 105 #define PA_2_SLICE(pa)          (((pa) >> PA_SLICE_SHIFT) & \
 106                                         DAK_SLICE_MASK)
 107 #define PFN_2_SLICE(pfn)        (((pfn) >> PFN_SLICE_SHIFT) & \
 108                                         DAK_SLICE_MASK)
 109
 110 /* Define the number of possible slices for the span of slice bits */
 111 #define DAK_SLICE_MASK          (0xf)
 112
 113 extern uint64_t lddsafaddr(uint64_t physaddr);
 114 extern uint64_t lddmcdecode(uint64_t physaddr);
 115
 116 #ifdef  __cplusplus
 117 }
 118 #endif
 119
 120 #endif /* _DAKTARI_H */